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Finding the Fourth Proportional to 348,168.97, 480,620.15 and 235,144.81

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Solution

The fourth proportional to 348,168.97, 480,620.15 and 235,144.81 is: 324,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,168.97 : 480,620.15 = 235,144.81 : x
  2. Step 2: Convert to fraction form
    348,168.97/480,620.15 = 235,144.81/x
  3. Step 3: Cross multiply
    348,168.97x = 480,620.15 × 235,144.81
  4. Step 4: Simplify right side
    348,168.97x = 113,015,332,678.20
  5. Step 5: Solve for x
    x = 113,015,332,678.20/348,168.97
  6. Step 6: Final answer
    x = 324,599.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.